Suez Canal I read about the recent incident in the Suez Canal with the container ship, Ever Given. I started thinking about the support of floating ships. With a relatively narrow canal, it was easier to imagine the mechanics. Archimedes Recall Archimedes Principle — we simply say a floating object displaces its weight in water. […]
Category: Concept
2×2 RC Sequence Dec 2020
[ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) […]
Best of Seven Outcome Probability Dec 2020
Static Plots Using PLOTLY live plots Each chart series can be toggled off and on by clicking its legend entry. On a desktop device, reset the chart to full scale by reloading the web page. On a mobile device, reset the chart to full scale by double clicking. Team A Winning Outcomes The best of […]
From Punch Cards to Flash Memory Dec 2020
Multi-Dimension Data Table using PyXLL (with video) Dec 2020
MD Data Table in Action — Video 3 inputs; 2 outputs Bonus — Video Merged my data table values into Excel’s data table 3D Hypotenuse Screenshots Independent Variables — Input qvar_0 (10 items) qvar_1 ( 7 items) qvar_2 ( 4 items) Dependent Variables — Results Dependent Variables — Details (only for clarity) Short Tabulation Long […]
Excel — Use dynamic arrays and conditional formatting to create a selection dependent menu Oct 2020
Google Search dynamic arrays conditional formatting TRY THIS The MP4 video was recorded on an iPad and published using Camtasia 2020. The data range is conditionally formatted to match the selection
Gauss Profile Jun 2020
From the wiki https://en.wikipedia.org/wiki/Gaussian_function (go to wiki)
The Inexpensive Ventilator — Are We Building These ?
Percussionaire — Bird Respirator History Wiki — Ventilator
The Lincoln Index — Software Bugs Jan 2020
John, Thanks for the presentation. https://www.johndcook.com/blog/2010/07/13/lincoln-index/ How many errors are left to find?
Three Blue One Brown Feb 2019
Here is a beautiful website by Grant Sanderson. 3blue1brown So many exciting insightful mathematics presentations. The craft and artistry are as impressive as the mathematical concepts. Take a look — even if you think you know the material — you will see a few new gems (I bet).
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